Chipotle Barbecue Burgers with Slaw

Ingredients     1/2 cup dry breadcrumbs     2 tablespoons barbecue sauce     1 tablespoon chopped chipotle chiles, canned in adobo sauce     1 teaspoon bottled minced garlic     1 pound lean ground beef     1 large egg     Cooking spray     2 cups cabbage-and-carrot coleslaw     1 tablespoon reduced-fat mayonnaise     1 tablespoon reduced-fat sour cream     1 teaspoon sugar     1 teaspoon cider vinegar     1/8 teaspoon salt     1/8 teaspoon black pepper     4 (1 1/2-ounce) hamburger buns Preparation     Combine first 6 ingredients. Divide mixture into 4 equal portions, shaping each into a 1/2-inch-thick patty.     Heat a large nonstick skillet over medium-high heat. Coat pan with cooking spray. Add patties to pan; cook for 4 minutes on each side or until a meat thermometer registers 160°.     Combine coleslaw and next 6 ingredients (through pepper) in a large bowl; toss well. Place 1 patty on bottom half of each bun; top each serving with 1/2 cup coleslaw mixture and top half of bun.