Crunchy yogurt chicken

1 - 1 1/2 cups plain yogurt, sour cream or thick kefir
2 -3 cups crushed crackers, or bread crumbs
1 tbsp. Epicure Caesar or Ranch dressing mix
4 - 6 chicken breasts without skin

Mix dressing mix and crumbs together. Coat chicken in yogurt, dip in crumb mix and place in baking dish. Bake at 375 degrees for about 30 minutes until chicken is cooked all the way through. Serve with rice or potatoes.