Whatever you decide to do, the
DVC account (both the assets and any debt) will have to be a part of your
overall property settlement. In many cases, one asset has more value than another to one party and it's often possible to divide the assets in a way that is beneficial to both parties. To make that work, you really need to look at the whole picture...not one asset at a time.
I think the info you've received about +/- $55 per point repurchase is correct, and I also think there are several resorts that Disney would not repurchase for any price. I think they only repurchase in rare situations anyway -- I doubt it's anything they really want to do.
Given the uncertainly of your situation, I'd sure take a long, hard look at rescinding that add-on. No, it's not a huge deal, but it's $5,000.
Right now, you can get ALL of your money back -- later, probably not. And even in a best case situation, you would have to sell your points for less than Disney charges + pay a 10-12% commission. I'd sure consider cutting your potential losses whereever and however you can.
Good luck whatever you decide.