Truthfully, I am not trying to be argumentative. But, LOL...that's so so so not have it's believed dogs became to be companions. At all.
Orphaned wolf-cubs
Studies have shown that some wolf pups taken at an early age and reared by humans are easily tamed and socialized.[15] At least one study has demonstrated that adult wolves can be successfully socialized.[16] However, according to other researchers attempts to socialize wolves after the pups reach 21 days of age are very time-consuming and seldom practical or reliable in achieving success.[17]
Many scientists believe that humans adopted orphaned wolf cubs and nursed them alongside human babies.[18][19] Once these early adoptees started breeding among themselves, a new generation of tame "wolf-like" domestic animals would result which would, over generations of time, become more dog-like.[20]
http://en.m.wikipedia.org/wiki/Origin_of_the_domestic_dog
Breast feeding wild dingos
There are mixed accounts on how captive dingoes are treated by native Aboriginal tribes. In 1828, Edmund Lockyer noted that the aboriginals he encountered treated dingo pups with greater affection than their own children, with some women even breastfeeding them. The dogs were allowed to have the best meat and fruit, and could sleep in their master's huts. When misbehaving, the dingoes were merely chastised rather than beaten. This treatment, however, seems to be an exception rather than a general rule. In his observations of Aboriginals living in the Gibson Desert, Richard Gould wrote that although dingoes were treated with great fondness, they were nonetheless kept in poor health, were rarely fed, and were left to fend for themselves. Gould wrote that tame dingoes could be distinguished from free ranging specimens by their more emaciated appearance. He concluded that the main function of dingoes in Aboriginal culture, rather than hunting, was to provide warmth as sleeping companions during the cold nights (Lindsay 2000).
Some Australian Aborigines will routinely capture dingo pups from their dens in the winter months and keep them. Physically handicapped puppies are usually killed and eaten, while healthy ones are raised as hunting companions, assuming they do not run away at the onset of puberty (Lindsay 2000). However, Aboriginal women will prevent a dingo they have become attached to as a companion from escaping by breaking its front legs (Coppinger and Coppinger 2001). A dingo selected for hunting that misbehaves is either driven off or killed (Lindsay 2000). Dingoes may be used for hunting purposes by Aboriginals inhabiting heavily forested regions. Tribes living in Northern Australia track free ranging dingoes in order to find prey. Once the dingoes immobilize an animal, the tribesmen appropriate the carcass and leave the scraps to the dingoes. In desert environments, however, camp dingoes are treated as competitors, and are driven off before the start of a hunting expedition. As Aboriginal hunters rely on stealth and concealment, dingoes are detrimental to hunting success in desert terrains (Lindsay 2000).
https://www.newworldencyclopedia.org/entry/Dingo
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