Heat oven to 350°. Line a rimmed baking sheet with foil and place a wire rack on top. Coat rack with cooking spray. Soak wooden skewers in water for 30 minutes.
Cut chicken into 1” cubes. Cut bacon strips into thirds, wrap each piece around a chicken cube, and slide several onto each skewer.
Mix brown sugar and chili powder in a shallow bowl Coat wrapped chicken pieces in brown sugar mixture and arrange skewers on prepared rack. Bake 30 to 35 minutes or until bacon is crisp. Makes about 45 appetizers