Open-Faced Chicken Salad Sandwiches

Ingredients

• 3 cups cubed cooked chicken breast
• 3 celery ribs, finely chopped
• 1 cup fat-free mayonnaise
• 1 small onion, finely chopped
• 1/2 cup dried cranberries
• 1/4 cup chopped pecans
• 2 tablespoons white wine vinegar
• 2 tablespoons Creole mustard
• 1 tablespoon lemon juice
• 1/4 teaspoon pepper
• 6 slices sourdough bread
• Butter-flavored cooking spray
• 3/4 cup sugar-free apricot preserves
• 6 slices Brie cheese (1/2 ounce each)