Do you use tension bars and an anti sway? If not, until you upgrade the truck, I would. That's a whole lot of trailer for a 1/2 ton, even a 5/8's ton. You state tongue weight is 7K? That can't be right I wouldn't think. Here's some more specs for this.
http://www.moderntrailer.com/rv/ande...e+laredo+303tg
Shipping Weight 7,565 lbs
Carrying Capacity 1,435 lbs
Hitch 880 lbs
Length 35' 8''
Height 11' 1''
Fresh Water 43 gal
Waste Water 30 gal
Grey Water 30 gal
LPG 60 gal
Tire Size ST225/75R15D