McCormick Grill Mates have always done well for us. Our pallets are not terribly sophisticated. We also mix-in other spices from the pantry to stretch it a bit. The Grill Mates line are also pretty cheap at Walmart. Their plain Barbecue Rub is the last one we tried.

Chicken Thighs are preferable to legs in our household. This is due our daughter-in-law bringing too many packets of frozen legs to us during the Covid lockdown.

Homemade rub works well if you have an abundance of spices in your cabinet.

Simple recipe that can be altered as desired:

https://blog.cavetools.com/the-absolute-best-chicken-rub-for-smoking/