We just got this dog and was told he was a Terrier Chihuahua mix. Mom is a Boston Terrier and turned on her litter. She refused to feed her pups so the owner decided to give the litter away so nothing will happen to them. He's so small but very fiesty. He barks at our Boxer. I'm 9 months pregnant so I was hoping he'd be good with babies. Does anyone have any problems with these dogs?