If you're partial to the Equal-i-zer brand, they have 4K, 6K, 10K, 12K, and 14K. Do you need it? If your truck can handle the dead weight of the hitch, then no. You may want some sway control though, and you can get both with one purchase.
2014 Ram 2500 Mega Cab Laramie 4x4 6.4L HEMI 4.10s with antispin
2014 Jayco Jay Flight Swift 287BHBE
Equal-i-zer 90-00-1200(new 90-02-4900 shank)
2x Honda 2K