Whisk all rub ingredients in a small bowl and set aside.
Place 2 to 3 chicken thighs on a large 12x18-inch piece of Reynolds Wrap non-stick foil and generously sprinkle rub on all sides, gently pressing it down.
Wrap the chicken thighs in the foil and repeat with remaining thighs.
Place foil-wrapped chicken packets on the grill, cover, and grill 15 to 20 minutes until juices run clear or internal temperature reaches 74°C.
Carefully remove foil packets to a plate, open foil with tongs, and if desired place thighs directly on grill briefly for grill marks and char.
Let chicken rest 15 to 20 minutes or until cool enough to handle, then chop into pieces.
Chicken Mac 'n Cheese
Bring a pot of water to a boil, add pasta and cook until al dente, about 10 to 12 minutes; drain.
Melt butter in a large skillet over medium-high heat, whisk in flour and chicken broth, and let thicken 3 to 5 minutes.
Add shredded cheeses to the skillet and stir until melted and smooth.
Add the drained pasta to the cheese sauce and stir to combine.
Stir chopped chicken into the mac and cheese and season with salt and pepper to taste.
Tips
Wrap chicken tightly in non-stick foil to keep meat tender and juicy while grilling.