2018 Ram alignment help needed!

I would stick with the same dealer as they are familiar with it already. Once they drive it, they will see it happened again and "should" check more than just doing another alignment. Let them know it is very dangerous to drive and if can not be fixed you want a different truck - one that is not dangerous to drive. Make sure you tell them "dangerous and unsafe". If it was to happen again after the next alignment, I would drive(very safely) into a ditch somewhere and run over something then call the dealer and tell them to come and get their unsafe dangerous vehicle.