1. Heat oven to 350°F. In large bowl, break cookie dough into small chunks. Add pumpkin pie spice and pumpkin. Beat with electric mixer on medium speed until well blended. 2. Drop dough by rounded tablespoonfuls about 2 inches apart on 2 ungreased cookie sheets. 3. Bake 14 to 16 minutes. Cool on pan 5 minutes; remove to cooling rack to cool completely, about 30 minutes. 4. Meanwhile, unwrap cream cheese. Place in medium microwavable bowl. Microwave uncovered on High 1 to 2 minutes, stirring every 30 seconds, until softened. Stir in powdered sugar until smooth. Spread on cookies.