Most likely you are slightly front high on the trailer. Even if its level you will gain more control by lowering the front of trailer even more. Loading is important, adding weight behind trailer axle reduces tongue weight. Location of fresh water tank relative to axles is important to understand. Some designs don't lend themselves to hauling water.
No man has a good enough memory to be a successful liar. Abraham Lincoln
2016 36FBTS Pinnacle
2016 F350, 6.7, 4x4, DRW, long bed
B & W Companion 5th wheel Hitch