Trying to decide that myself for my ‘21.
JB Reviews on YouTube did an excellent road test recently on a 2020 6.4L 2500 pulling his car trailer and if you look at about the 2:00 point you see the hitch he’s using isn’t set very low at all.
https://www.youtube.com/watch?v=BvtrTdIeQc4&lc=Ugx6_Ie5u-fafZGkQrV4AaABAg.9Pnd0oX684l9Px6vvLt6Zu