That's a heavy girl you have there at #6300 dry... I'm towing a #7000 GVWR 2019 Rockwood 2511S and it's all I want to tow with my F150...
"Sway" can mean a lot of different things to different people, but in the end, it's whatever you feel comfortable or not comfortable with when towing, and since every rig is different in weights and all, no way to really tell you what will work for you or not??
You are just going to have to deal with what you got and go from there and adjust accordingly.
Good luck! Mitch
