Chocolate Mousse Pie

7 oz. Hershey's chocolate bar, chopped
1/3 C. milk
1/4 C. sugar
3 oz. cream cheese
8 oz. whipped topping
1 9in. graham cracker crust

In a small saucepan over low heat, add chocolate and 2 Tbsp. of milk. Stir continuously until chocolate is melted and smooth.
In a large mixing bowl, beat sugar and cream cheese. Add chocolate mixture and remaining milk; beat until smooth. Fold in whipped topping, blending well. Spoon into crust and freeze until firm, about 4 hrs.