Place the buns on a flat surface and slice the buns all together.
Put the bottom part of the buns in a 9x13 aluminum baking tray.
Spread Ranch dressing on the buns that are in the tray.
Lay the bacon on top.
Place the turkey slices on top of the bacon.
Make a single layer of cheddar cheese slices on top of the turkey.
Replace the "lid" of the buns.
Brush melted butter over the tops of the buns and sprinkle with dry onion seasoning.
Cover the tray with two layers of aluminum foil and store in the freezer until you’re ready to eat.