Preheat oven: Set to 375 °F.
Mix base: In a large bowl, combine cream cheese, sour cream, garlic powder, paprika, salt, and pepper. Stir until smooth.
Add chicken & cheese: Fold in shredded chicken, cheddar, mozzarella, and sliced jalapeños. Mix evenly.
Transfer to dish: Spread mixture into a greased baking dish.
Top it: Add chopped bacon, extra cheddar, and a few fresh jalapeño slices on top.
Bake: Cook uncovered for 20–25 minutes, until golden and bubbly.
Serve: Let cool for 5 minutes before serving warm.