Not a pudu, but related. One morning last May, a Texan named Mike came across a newborn fawn whose mother had just been killed by a car. He couldn’t leave the fawn to die, and with no better idea, he just scooped it up, took it home, and he and his wife have been caring for it ever since.
If you need to say "awwwww" and feel overwhelmed with the tiny, I urge you to click over and take in the whole story.
I have the same concerns you do about how this all turns out, but the couple seem to have been in frequent touch with wildlife professionals, and they’re gonna do their best to help prepare the little guy survive in the wild when the time comes.