Daisy does not like other dogs in her yard unless they are properly introduced. She would try to drive the strange dog away. And taking her bone? If she had walked away from it she wouldn't care, but while she was eating it? Oh HECK no! A dog will be growled and snapped at.
Rocky would want to play. And he would probably just let another dog take his bone.
Benji would have played with a strange dog if it were female, but males would be chased off with lots and lots of barking and growling and snarling. He wouldn't have taken kindly to a dog taking his stuff either.
Miles would run away.