No, other buyers are going to look at the HD package and say, "What the heck is THAT? It has SEVEN lug nuts! My wheels won't work!"
Typical non-HD 15-series (aka 1/2 ton) trucks generally have 1200-1500lbs of payload capacity. You have 700lbs of family, plus 800+lbs of DRY tongue weight.
Right there without even doing real numbers (that are ALWAYS heavier), you've maxxed out your best possible payload capacity. You haven't even loaded the camper to camp yet, which will add 200+ to the tongue weight! Plus the weight of the WD hitch counts too.
Get the HD package. You will be glad you did.
