You've prolly fallen off side of road with trailer, hit hole, and bent that end of the axel. Common problem.
If your mechanically inclined cheapest way to fix is order axel off web or tractor supply or other. Swap them out. Takes about 30 min with help...not fun without extra hand.
2015 338RETS Eagle Premier gloss sides., king.
2012 Ram 3500, crew cab 4x4 duelly Deleted
16k miles, 530HP, 1000 +torque.