With large, serrated knife, cut bread horizontally in half. From top half, remove soft bread, leaving crust, and crumble enough bread to measure l cup. Set aside top crust. Preheat broiler. In large bowl, with fork, combine bread crumbs, dry soup mix and water, let stand 5 min. Stir in beef lightly. Shape into 9 in. Patty. Place on broiler rack over pan. Broil 6 in. From heat till firm, about 10 min. Line bottom half of bread with lettuce leaves. With 2 pancake turners, lift beef patty onto lettuce. Top with tomato slices, pickle chips and top crust. To serve, cut burger into wedges. Serves 6 to 8.