I had a trailer spin out on me when i had it on blocks. I now carry a shovel and if at all possible I dig out the high side to level it and use wheel chocks on both sides.
2015 RAM 3500 SRW, 4X4, 3.73, 6.4 Hemi
2016 Eagle 338rets, Maxxis Tire Upgrade, Slide Toppers, Backup Camera, 2 - 15K AC units
Blue Ox Sway Pro Hitch, 2000 lb. Bars