Been running that size XPS Ribs on my fiver for 8 years, 5k to 7k miles per year. Just put on eight new ones this summer (2 axle, duals). Never one issue with the tires. Trailer weighs 18,500 ready to to travel and I run the tires at 70 psi based on axle weights.
I heartily endorse the XPS Ribs!