Divide turkey evenly among 4 bread slices, and spread 1 tablespoon dressing over turkey on each sandwich. Top each with 3 tablespoons sauerkraut, 1 cheese slice, and a bread slice. Coat tops of sandwiches with cooking spray.
. Heat a large nonstick skillet over medium heat. Place 2 sandwiches, coated side down, in pan. Cook 2 to 3 minutes or until bread is golden and cheese begins to melt. Coat tops of sandwiches with cooking spray; turn sandwiches. Cook an additional 2 to 3 minutes or until bread is golden and cheese melts. Repeat procedure with remaining sandwiches. Serve immediately.