Spicy Grilled Chicken with Creamy Pumpkin Mole Sauce

Name: Spicy Grilled Chicken with Creamy Pumpkin Mole Sauce
Ingredients: 2 dried ancho chiles,* stemmed, seeded, torn into large pieces; 4 1/2 tablespoons vegetable oil; 1 3-inch-diameter slice white onion (1/2 inch thick), separated into rings; 2 garlic cloves, peeled; 1 5x3x1/2-inch-thick slice country white bread, crust trimmed; 3/4 cup drained canned diced tomatoes; 3 1/2 cups low-salt chicken broth; 4 canned chipotle chiles*; 1 cup canned pure pumpkin; 1/3 cup whipping cream; 2 teaspoons dark brown sugar; 8 skinless boneless chicken breast halves; Fresh cilantro sprigs; Lime wedges