2014 ram 1500 3.6l towing a 2013 trailmaster 24 rblg

I think it will do fine. The smaller, more efficient engines are power houses these days and they don't have to spin as much to do it as they once did.
Compare the output of that eng. to both small and big block V8's of years past (80's~90's) and you'll see it's very competitive.