Hmm, I am NOT experienced at reading "dog play" because Rumo is an Only Dog, and we don't go to the dog park...
He has met little dogs on leash and he is very polite and careful with them.
However, a little dog running away from him...that behavior, I have not checked!
I think I will play it safe and he can meet the little chihuahua on leash and maybe we can take walks around the neighorhood together sometimes.
I'm not gonna do offleash play...I would be constantly worried about that random "prey drive" moment too much, where Rumo thinks, "gee, wouldn't it be fun to catch her and grab her?!"
And as I said - he is so fast with it, he'd have her in his mouth before I could get there.
You are right, it is different if it's a dog he lives with, or has known from puppyhood.
So, we'll let him sniff with her calmly onleash, and maybe take short walks with them once in a while -
that's what I think! :-)
Thanks for helping me think it through!
Rumo ~ rescue shepherd/husky mix