Take whatever it weighs (gvw if you donโt know actual) divide it by 4, look up the pressure for that weight on a chart.
Or go max pressure for the tires on it assuming theyโre the proper ones for the trailer, if youโre not willing to look it up.
2016 Ram 2500, MotorOps.ca EFIlive tuned, 5โ turbo back, 6" lift on 37s
2017 Heartland Torque T29 - Sold.
Couple of Arctic Fox TCs - Sold