Mix dry rub:
Combine the smoked paprika, brown sugar, chili powder, garlic powder, onion powder, salt, black pepper, and cayenne pepper in a small bowl.Stir until uniform:
Stir the mixture vigorously until uniform, ensuring no lumps remain.Apply rub to chicken:
Apply the rub liberally to the chicken, massaging it into the flesh. For skin-on breasts, work some under the skin as well.Rest seasoned chicken:
Allow the seasoned chicken to rest at room temperature for at least 1 hour before grilling. Enjoy!