Preheat oven to 375°F.
Line baking sheet with parchment paper.
Separate biscuits into individual pieces.
Cut each biscuit in half horizontally.
Place bottom halves on prepared baking sheet.
Mix BBQ sauce and ranch dressing together.
Spread sauce mixture on biscuit bottoms.
Add diced chicken evenly over sauce.
Sprinkle cheese over chicken layer.
Top with bacon bits and green onions.
Place biscuit tops over filled bottoms.
Bake for 12-15 minutes until golden.
Cool for 2 minutes before serving.