Pulled to the left when being passed by Big Rigs

1L243 you have a very capable tow vehicle, so likely your question really revolves around comfort. I have a newer RAM 1500 with the coil rear springs, and its backside is a bit more squishy than I like. So I did most of the intelligent things mentioned in this thread, including working my way through three different anti-sway weight distribution hitches. I ended up with a Propride hitch, and it reduced the overall sideways movement to something I was comfortable with.