Preheat oven to 375. Cube chicken and cook through. Combine soup, milk, seasoned salt, chicken, vegetables, 1/2 cup of cheese, and 1/2 can of fried onions; place in 8x10 baking dish. Bake covered for 20 minutes.
Unwrap crescent rolls, seperate into two rectangles. Press together perforated lines; cut each rectangle lengthwise into 3 strips. Place strips on casserole to form lattice top. Bake uncovered 15 minutes longer.
Top lattice with remaining cheese and fried onions; bake uncovered 3-5 minutes or until onions are golden brown. Serve and enjoy!