Having followed a number of trailers I noticed a lot of swaying on some, and have heard that towing a 5th wheel eliminates that sway. I have been looking at short 5th wheels and trailers in the 20-25 ...
If you are going with a camper with less than 700 - 800 pounds of tongue weight, look at the Andersen hitch. It is easy to install and set up. I have never had a moment of sway, even under emergency maneuvers. Our tongue weight is a bit under 600 pounds and the truck has 1780 pounds of payload. We have absolutely no desire to go bigger.