My 2015 Tahoe had auto leveling and it worked well for 5+ years and then needed repair. Yes, for a 6500 wet and loaded TT weight distribution is helpful getting weight back to the front tires to help in braking IMO.
Winnebago 2101DS TT & 2022 Chevy Silverado 1500 LTZ Z71, WindyNation 300 watt solar-Lossigy 200 AH Lithium battery. Prefer boondocking, USFS, COE, BLM, NPS, TVA, state camps. Bicyclist. 14 yr. Army -11B40 then 11A - (MOS 1542 & 1560) IOBC & IOAC grad