01Mix butter and Sriracha in small bowl until combined.
02Preheat air fryer to 375 F. Coat one side of each bread slice with 2 heaping teaspoons of butter mixture. Evenly divide cheese, ham, bacon and pineapple rings on 4 bread slices, butter-side down. Top with remaining bread slices, butter-side up.
03Working in batches, place 2 sandwiches into air fryer and cook, flipping halfway through, until golden brown, about 8 minutes. Repeat with remaining sandwiches. Cut in half and serve.