Spicy Bacon Chicken Skewers

Ingredients

• – 1/3 cup reduced-calorie ranch dressing, such as Ken's Lite, plus more for serving
• – 2 tsp. chile and garlic spice blend, such as Lawry’s
• – 1 tsp. prepared horseradish
• – 1 tsp. Real California sour cream
• – 4 boneless chicken breasts cut into 1-in. pieces
• – 1 large red onion, cut into 1-in. dice
• – 12 slices bacon
• – Salt and pepper
• – 12 10- to 12-in. skewers (soaked in water for several hours if wooden or bamboo)