If you're dropping to the lowest hole in the brackets, it's an easy job. On my last fiver, a 30.5 RLS, I experienced the same thing. When I had the dealer drop them to the lowest hole (I cited safe towing and they did it at no charge), it was still 1.5" nose high but towed so much better.
Mule: 2016 RAM Mega Cab Dually, 4X4, Demco Hijacker 21K Autoslide on RAM Puck, Laramie, 6.7, Aisin, 4:10's, Loaded
Wagon: 2015 Pinnacle 38FLSA, Sailun G's, Center Point Air Suspension, 572 Watts Solar w/4 T-145s.