Here are two links you can look for your self and compare. As you can see I have a 2955RL, ether would be plenty of tire for your trailer. The Michelin is a bit more money and the Bridgestone is MADE IN AMERICA. I too will be deciding about the monitoring as I will replace tires this spring but I will be choosing one that will be installed inside the rim.
http://www.michelinman.com/tire-sele.../xps-rib-tires
http://www.bridgestonetire.com/tires...productID=1121