Preheat oven to 425°F (220°C).
In a bowl, mix shredded chicken, Buffalo sauce, and garlic powder.
Place flatbreads on a baking sheet and spread a layer of ranch dressing.
Add the Buffalo chicken mixture evenly on top.
Sprinkle shredded mozzarella over the chicken.
Top with sliced red onions, green onions, and crumbled bacon (optional).
Bake for 8–10 minutes or until cheese is melted and bubbly.
Slice and serve hot with extra ranch or hot sauce if you’d like!