In a small bowl, combine gelatin and 1/3 cup sugar. In a small saucepan, bring cranberry juice to a boil. Add to gelatin mixture; stir until dissolved. Cover and refrigerate until slightly thickened, about 1 hour.
In a small bowl, combine the cream cheese, milk, vanilla and remaining sugar until smooth. Whisk thickened gelatin mixture for 2-3 minutes or until smooth. Add to cream cheese; beat until smooth. Remove 1/2 cup whipped topping for garnish; cover and refrigerate. Fold remaining topping into cream cheese mixture.
Place cranberry sauce in a small bowl; mash with a fork until spreadable. Spread over bottom of crust. Spoon cream cheese mixture over top. Cover and refrigerate for at least 3 hours or until firm. Garnish with reserved whipped topping.