I'm glad you took that MMPI for your doctor. It will give him a direction to go in, or if he was uncertain because of therapy sessions past, give him assurance of how to help you. What's in a label anyway? It's for continuity of care, so everyone is on the same page with goals, and for being paid by the insurance company. BTW you don't have to BE paranoid to have feelings of paranoia.
What would upset you with a therapy contract? I think it would be good to review the feelings you have about this. If you think all you can do is agree to show up for session, then make that contract.
The good thing from what I read is even if you do have some antisocial tendencies, that's changeable.

Often people who are hurting don't realize how they are being viewed by outsiders. That you don't tells me that you wish you could "get along" and that you'll be changing that.
The test (any test) doesn't change anything about who you are: it just shows how you feel about it all. You're the same person after the test that you were prior to; knowledge gives you a key to open the healing door!
TC