1Heat oven to 400°F. Place paper baking cup in each of 6 regular-size muffin cups. Line cookie sheet with foil, cooking parchment paper or silicone baking mat.
2In medium bowl, stir together muffin mix, milk, melted butter and egg just until blended (batter will be lumpy). Divide batter among muffin cups. Bake 16 to 18 minutes or until golden brown.
3Place drummettes on cookie sheet. Bake 15 to 20 minutes or until crispy and brown. Remove muffins from pan to cooling rack. Cool muffins and drummettes at least 5 minutes.
4In small bowl, mix cream cheese and ranch dressing until smooth. Spoon mixture into small resealable food-storage plastic bag; seal bag. Squeeze bag to pipe dressing on muffins. Top each with 1 drummette.