Heat oven to 350°F. Spray 13x9-inch (3-quart) glass baking dish with cooking spray.
In 10-inch nonstick skillet, cook pork and onion over medium-high heat 5 minutes, stirring occasionally, until pork is no longer pink in center.
In baking dish, mix pork mixture and all remaining ingredients. Cover with foil.
Bake 1 hour or until rice is tender.