Heat oven to 400 degrees F. Combine meat, water chestnuts, onions, bread crumbs, garlic and soy sauce in medium bowl. Mix thoroughly. Roll into 1 1/2-inch meatballs and place in baking pan.
Bake 30 minutes. While meatballs are baking, combine ham glaze, chili sauce, red pepper flakes and ginger. Heat until hot and bubbly. Remove meatballs from oven, toss with sauce and serve hot.