Reuben Pickle Bites

Name: Reuben Pickle Bites
Prep time: 30 min
Cook time: 4 min
Total time: 34 min
Cuisine: American
Ingredients: 1/4 teaspoon kosher salt; 2 tablespoons tomato paste; 2 1/2 teaspoons prepared horseradish; 1/2 teaspoon soy sauce; 1/2 cup mayonnaise; 1/4 teaspoon onion powder; 1/4 cup sauerkraut, drained; 2 tablespoons butter, divided; 2-3 medium slices jewish rye bread, crusts trimmed, cut into 18 (1-inch) pieces; 6 small slices pastrami or corned beef, cut into thirds (18 strips); 2 slices Swiss cheese, cut into 18 (1-inch) pieces; 1-2 (32 oz) jars dill pickle chips