Max penalty for disorderly conduct is 10 days in jail and/or a $100 fine. Jail time for disorderly conduct is rare. As far as how it will effect...

Can i potentially resolve this matter without going to Montana?

There are some types of charges that you can resolve without having to return to the State. Without that information, it is hard to answer. If...

Can I sue the bondsman or go over his head to get the guy revoked.

Bond is primarily to make sure the person appears in Court. Some would say it is also designed to make sure they don't violate their conditions...

Would this be illegal search and seizure?

The seizure of your keys? No The seizure of other things? Maybe. I assume you are talking about being under 21, the legal limit is .02 for 21...