Preheat oven to 375°F Wash hands. In large bowl, combine chicken, onion soup mix, breadcrumbs, , egg and salt & pepper; mix well. In 8-inch square baking pan, form mixture into 8 x 4-inch loaf. Wash hands. Bake 35 to 40 minutes or until done (internal temp 170°F).
Remove from pan. Let stand 5 minutes.
melt 2 tablespoons butter, whisk in flour 1 minute, then whisk in a splash of orange juice, Worcestershire and 1 cup chicken stock. Thicken for a few minutes and season with salt and pepper to taste. Top meatloaf with gravy and try with mash potatoes.