In a small bowl, add all spices and brown sugar. Stir to combine. Take your chicken and pat dry with paper towels.Place the chicken in a large bowl and sprinkle with 1/3 of the dry rub. Toss the chicken to evenly coat. Transfer the chicken to a baking sheet or a casserole dish and place in refrigerator for 1-2 hours.When you are ready to cook heat your grill to medium-low heat. Place the chicken on the grill, have the chicken covered.Make sure to turn the chicken occasionally for even cooking. Cook for 20 to 30 minutes.While the chicken is on the grill prepare your sauce. In a small bowl, whisk together the sauce ingredients. Remove from the chicken from the grill. Brush the chicken with the vinegar sauce and sprinkle some of the dry rub seasoning.