60 psi in your bags is probably too much. I run 30 psi in mine - different set-up to be sure, but still, that sounds like too much pressure.
Remember - you actually want some squat to the rear end. The suspension is designed to compress under load, if you use airbags to eliminate squat then you basically placing the full load on the airbags, not the springs.
It looks like your truck is lifted. If it was a spring lift note that lift springs are designed to compress more easily to absorb bumps.
2013 Coachmen Freedom Express 320BHDS pulled by a 2005 F250 King Ranch CC
A rainy day camping is better than a sunny day at work.