HEAT oven to 350ºF.
BROWN meat in large nonstick skillet. Meanwhile, mix cream cheese spread, seasoning mix and milk until blended.
DRAIN meat; return to skillet. Add cream cheese mixture, tomatoes, corn and onions; mix well.
COMBINE rice and 1/2 cup shredded cheese in 13x9-inch baking dish sprayed with cooking spray; spread to cover bottom of dish. Top with meat mixture and remaining shredded cheese; cover.
BAKE 30 min. or until heated through. Top with crushed chips and cilantro.