Slow-Cooker Country Captain Chicken

Place onion, pepper and garlic in a 6-qt. slow cooker. Arrange chicken pieces over vegetables., Whisk the next 5 ingredients with the chicken broth. Pour over chicken. Cover and cook on high for 1 hour. Add raisins and tomatoes. Reduce heat to low and cook until chicken reaches 165°, about 2-1/2 hours. Serve over rice; if desired, sprinkle with parsley.