HEAT oven to 425ºF.
MIX flour and baking powder in large bowl. Cut in cream cheese spread with 2 knives until mixture forms coarse crumbs. Stir in Cheddar, onions and sage. Add milk; stir just until mixture forms soft dough.
DROP 2 Tbsp. dough, 2 inches apart, into 16 mounds on baking sheet.
BAKE 13 to 16 min. or until golden brown.
