Hopefully your TT brakes are just glazed over. You need to pull the wheels and brake drums and inspect them. If you have sufficient lining left, sanding them to roughen the surface may be all you need to do. Otherwise you might need to replace the brake shoes.
2019 Wolf Pup 16 BHS Limited, axle flipped
2019 F150 4x4 SCrew SB STX 5.0 3.55 factory tow package, 7000#GVWR, 1990 CC Tow mirrors, ITBC, SumoSprings,