PREHEAT oven to 375°F. Toss chicken pieces with onion, lemongrass and salt in roasting pan. Squeeze the lemon and lime quarters over the chicken; toss again.
ROAST 35 to 45 minutes or until chicken is cooked through, turning occasionally and basting with pan juices.
PLACE chicken on a serving platter. Skim the fat from the pan juices. Drizzle over chicken. Serve with Chili Sauce on the side for dipping.