Preheat oven to 350 degrees F (180 degrees C).
Place Reduced-Fat Cream Cheese (8 ounce), Nonfat Plain Greek Yogurt (1/2 cup), Light Mayonnaise (1/2 cup) and Ranch Seasoning Powder Mix (1 ounce) in a large bowl. With an electric mixer, beat on medium until smooth and creamy. Set aside.
Remove Pillsbury™ Reduced Fat Crescent Rolls (16 ounce) from the cans and roll out in one big piece onto a large, greased cookie sheet. Pinch seams together, if needed. Bake for 8-10 minutes or until golden brown. Let cool.
Spread cream cheese onto cooled crust.
Top with Broccoli (1 cup), Red Bell Pepper (1 cup), Scallion (4), and Cheddar Cheese (1 1/2 cup).
Use a pizza cutter or large knife to cut into squares.
Serve immediately or store in refrigerator in airtight container for up to 3 or 4 days.