I've heard of Lubbock, but not Tolar. If Jada is dominant then a submissive male would be best. If Jada is just a big pushover and doesn't really care about "rank", then you could go with a female that is also a big pushover or a male of any "rank". But ultimately your safest bet would be a male because there can be a lot of tention between same sex Pits even if they get along and any little thing could trigger a fight. It takes quite a bit of knowledge and experience to run a multi-Pit household when they all don't get along. You really have to know your dogs to know which personalities will get along the best. Fights are not pretty and when you're alone, they're even worse and hard to break up. (I don't understand how people find it entertaining. ) If you get another one, try a rescue first, if the dogs stay in foster homes, they'll know if they get along with other dogs or not.