He is good with other small dogs with proper introductions on leash, but he wants to be the top dog (alpha) at home, especially with other male dogs. (furryfriendsrescue.org)
Most other small dog breeds will fit in the basket comfortably. (petcarrierverdict.com)
He would do great as a only dog or with one other small dog in a adult only home. (fawnssmalldogrescue.org)