Combine all spices in a large bowl to make rub. Toss wings in rub until thoroughly coated. Let wings marinate in rub for 1 hour. While wings are marinating, preheat grill.
Brush grill with olive oil to keep wings from sticking to grate, then place wings on grill. Turn every 3 minutes to keep from burning. Grill wings until internal temperature reaches 160 degrees.
Combine butter and hot sauce in a large bowl and toss wings in hot sauce mixture. Serve with blue cheese dressing (recipe follows).
Blue Cheese Dressing:Combine ingredients in a bowl and mix until incorporated.