I have a 23.5 trailer and it had sway. I had a couple extra batteries and put them in back of truck/ took a ride and when sway started I added weight to front of trailer, found out at scales how much tongue weight I was short. also tested link setup. added weight is what fixed it for me. now rides great.
also I am maxed out on load an am looking at new truck.
not sure dodge or Chevy diesel
also everyone do no get in hurry. coming south on 97 in Oregon and truck going North tried to pass semi and clipped his back trailer, air lifted to hospital. ugly