Well, IMHO, your dog doesn't need 'dog friends.'
Your dog is being a dog.
She needs to look to you for direction, but two females can be one too many.
I do not think spaying her will change her behavior.
Nothing is as simple as it seems or as complicated as we make it~
Attitude is everything -- Pick a good one!
Sofie AKA Ussina vom Haus Brezel
Jack von Jagenstadt
Tatty - Burmese bad cat