Prepare cookie mix dough according to package directions. Press into a greased 12 inch pizza pan. Bake at 375 degrees for 15 minutes, or until set. Cool.
In a mixing bowl beat cream cheese until smooth. Spread over crust. In another mixing bowl, beat milk and pudding mix on medium speed for 2 minutes. Spread over the cream cheese layer. Refrigerate for 20 mins or until set. Spread with whipped topping, sprinkle with chips. Chill for 1-2 hours.