As long as the new pups come to see your Yorkies often, most breeds should be fine. If you don't want to worry about huge dogs stepping on the smaller ones, how about Maltese, Shih tzu, Pug, Norfolk, Cavalier or Westie.
__________________ Crystal  , Ellie May (RIP)  , Rylee Finnegan  , and Gracie Boo🐶 |