Mix all ingredients except tomato sauce and rice. Shape into sixteen 1 1/2-inch meatballs.
Spray 10-inch nonstick skillet with nonstick cooking spray; heat over medium-high heat. Place meatballs in skillet; spray meatballs with nonstick cooking spray. Cook until meatballs are brown on all sides. Stir in tomato sauce. Heat to boiling; reduce heat to low. Cover and simmer about 20 minutes, stirring occasionally until meatballs are no longer pink in center.