Preheat oven to 350° F. Spray a baking dish with cooking spray and set aside.
In a mixing bowl whisk together the cream cheese, Greek yogurt, buffalo sauce, green onions, garlic powder, and onion powder until smooth.
stir in the shredded chicken and half of the cheese with a rubber spatula. Pour the dip into the prepared baking dish and top it with the remaining cheese.
Bake for 20-25 minutes or until fully heated through. For a crisp cheesy top, switch the oven to broil for the last 3 minutes of baking. Top with extra sliced green onions and serve with tortilla chips, carrots, and celery.
Notes
Leftover dip will keep in an airtight container in the fridge for up to 3 days.