Being that you have a new trailer you should not need a sidewinder for what I consider normal conditions. Level is better but make sure you keep 5 inches or more clearance on your bed rails to the overhang of the trailer. I use a short bed Ram to pull my trailer which also has a rounded edge front cap and no issues.
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R.J. and Ginger
2019 Ram 3500 6.7 HO, Aisin Trans 3:73
Reese Goosebox
2019 Sandpiper 379FLOK
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