BEAT Neufchatel cheese, 1 Tbsp. milk and sugar in large bowl with wire whisk until well blended. Stir in whipped topping. Spread onto bottom of crust.
POUR 1 cup milk into medium bowl. Add pumpkin, pudding mix and spices. Beat with wire whisk 2 minutes or until well blended. (Mixture will be thick.) Spread over Neufchatel layer.
REFRIGERATE 4 hours or until set. Garnish with additional whipped topping, if desired. Store leftover pie in refrigerator.