I'm assuming that it's a 4X4. If so, there's a large turnbuckle on the drag link coming from the pitman arm. It has 2 large jam nuts on either side to keep it from moving. If this is a recent development, please, for your safety, check that the nuts are tight against the turnbuckle. I had my steering wheel adjusted twice on my new Ram and the dealers techs didn't tighten the nuts. Both times it came loose and I almost lost steering control, once. I finally tightened mine in my driveway and have had no problem, since. The dealer's bozo techs could have killed us with their negligence.
J & D in Lovely Weatherford, TX
2016 Jayco White Hawk 28DSBH TT
2014 Ram 2500 Crew Cab 4X4 6.7L Cummins