Weight of the front of my truck, and coil spring rate questions.

'96 extended 4x4 with 2.7 motor. No armor or anything fancy.

I'm trying to select new coils and am wondering roughly how much weight sits on the front springs?

Also, I'm wondering about spring rates. I assume that a heavier spring rate means a harder ride?

After an accident last winter, my winter tires (31x10.5) rub a lot on the passenger side. I think it's due mostly to a tired coil on that side. The driver's side coil and shock were replaced after the accident. The side that rubs is still sitting on a stock coil and strut with 240k miles.

My plan is to put a new set of matching coils on there and see if that gets it back to where it doesn't rub. I'm planning to put 5100s in at the same time, set on zero lift. If the tires still rub, I can switch the 5100s over to 1.25 inches of lift and definitely solve the problem. I know I will sacrifice some ride quality if I have to do that since it will be preloading the springs, so I'm wanting to get the weight of coils that will minimize this.

I am not looking for recommendations on specific brands of coils. I'm mostly looking for info on whether heavier or lighter rate coils will handle this compression better.