2500 gasser would probably suit your needs really nicely. I just made that move, and I don’t think I could ever go back to a 1500.
I got an 2020 L8T Silverado. Test drove a 6.4 hemi ram 2500 and it was a better ride but also a brand new 2024 with no miles on it. Stuck with the Chevy because I got it for a good price and don’t feel like spending more for no real benefit. If I were buying new i’d consider both and find the best deal on one or the other.
I certainly don’t have any practical need for a diesel, have driven a few. Would love to have a 2007.5 Silverado 2500 diesel but only if I drove down south and bought one that hasn’t seen the mandatory state-sanctioned salt bath every winter.