Pat the chicken dry and transfer to a bowl with 1½ teaspoons kosher salt, 1 teaspoon garlic powder, 1 teaspoon paprika, ½ teaspoon black pepper, ½ teaspoon cayenne powder, ½ teaspoon ground mustard, ½ teaspoon onion powder, and 1 tablespoon extra virgin olive oil. Stir to coat the chicken in the oil and spices. Transfer to the refrigerator for 30 minutes or upto 24 hours.