I have a 2020 Ram 3500 with factory hitch/tow package. I tried to insert my hitch pin and it fits perfectly through the passenger side hole but will not go through on the drivers side. The passenger side seems to be 5/8” and the driver side seems to be 1/2”. Has anyone else ran into this? Or has Ram came out with a special hitch pin? Just wanted to ask before I drill the hole out bigger. Thank you in advance for your thoughts.