I think you're fine. I used a Harbor Freight cable hoist to lift my hitch off those pins. I made a cradle out of pretty beefy chain to connect the hitch to the hoist. There was enough space between the rails and truck bed to slip that chain under the rails at all four corners.
2020 Chevy Silverado 3500HD Duramax 4x4 Crew Cab Standard box
2011 Arctic Fox 27.5L