Bill, Hopefully you can get AAA to consider better offers for the trailer and truck. Hopefully those figures also include any personal effects and extras you may have lost. Will you be able to keep or go get the personal items that are salvageable? Things like pots and pans, sheets, blankets, clothing, blocks and chocks, grills, tools and similar items that were in the RV? Those items alone can easily top $5000 and should either be paid for or you should be able to recover those that are still OK and negotiate for what was lost.
I just went through the same (on a much lesser scale) with the roof on my Springdale. I don't think you ever "really get what it's all worth", but hopefully you won't lose too much in this situation.
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS