Marinate chicken in mixture of salad dressing, wine, lemon juice and Worcestershire sauce for at least 4 hours. Broil chicken about 7 minutes each side. Pour remaining marinade in saucepan. Bring to a boil and add mushrooms, onion and garlic. Sauté until mushrooms are tender and liquid has thickened. Serve chicken with mushrooms and sauce spooned over the top.