Easy Chocolate Delight Pie
["2 pkg. (4 oz.) Baker's German sweet chocolate", "1/2 c. milk", "1 pkg. (8 oz.) Philadelphia brand cream cheese, softened", "2 Tbsp. sugar (optional)", "3 1/2 c. (8 oz.) Cool Whip topping", "1 chocolate wafer crumb crust (9-inch)"]
["Heat all but 3 squares of the chocolate with 1/4 cup milk in large microwavable bowl at High 1 1/2 to 2 minutes.", "Stir until completely melted."]
["sweet chocolate", "milk", "cream cheese", "sugar", "topping", "chocolate"]