As stated, power is not the issue.
It will come down to any and ALL of the issues mentioned.
Ie too little hitch wieght, incorrect wieght balance side to side, V'd axels, ie, not aligned, front of trailer nose high vs level to slightly down. Not enough air in tires, will swag rear axel vs front or trailer tires. May need to tighten up bars a chain length or equal. Also possible too tight, putting too much wieght back to front axle. I did that on a 1 ton single wheel rig I had.
I would play with what you have personally.
Marty