Spicy Cranberry Chicken

4 to 6 chicken breast halves, skinless and boned
1 can whole cranberry sauce
2/3 cup chili sauce
2 tablespoons cider vinegar
2 tablespoons brown sugar
1 package dry golden onion soup mix

Place chicken breasts in the crockpot. Combine remaining ingredients; add to the crockpot, coating chicken well. Cover and cook on low 6 to 8 hours. Serves 4 to 6.