I was hoping to get some response back from my request for more information but also want to give you an answer as well.
In most cases like this, you can train the dog so they listen to you and see you as the boss. In this way, you can control the dog and keep them out of fights. The following site is helpful in helping owners train their dog. Be sure and click on the link to the page on obedience at the bottom. and links on subsequent pages leading to detailed instructions.
Training works best if you train at least 30 minutes a day (two 15 minute sessions). I would start making your dog work via the Nothing in life is free program (NILF). It is outlined below.
The Bat training method helps as well for dog on dog aggression. Read more on this here:
If you want to respond to my questions from earlier, I may be able to expand on this answer for you.
I hope this information is helpful to you. If you would like any additional information or have more questions please don’t hesitate to press the reply to expert or continue conversation button so I can address any issues you still have . If you do find this helpful, please take this opportunity to rate my answer.