Towing with a 2009 Ford F350 6.8 V10 4.10 Supercap LB

2009 Ford F350 6.8 V10 4.10 Supercap LB, 4WD, SRW We have been pulling an Arctic Fox 24-5N (probably 10k lbs) with the above truck for 1 1/2 years fulltiming. We love the truck. It only has 50k mil...