Preheat oven to 350 degrees. Crumble sausage into a medium skillet. Cook over medium heat until lightly browned, stirring occasionally. Drain. Spray mini muffin tins, and insert won-ton wrappers to form a small cup. Bake 5 minutes in preheated oven. Allow wrappers to cool. Mix sausage, cheeses and ranch dressing together. Fill won-ton wrappers. Bake 10 minutes until bubbly. Makes 30 sausage cups.