Meanwhile, set oven control to broil. Line 15x10 x1-inch pan with heavy-duty foil; spray foil with cooking spray. In same small bowl, mix oil and remaining 1 teaspoon seasoning blend. Place corn, chiles and onion in pan. Drizzle oil mixture over vegetables; toss until evenly coated. Push vegetables together in single layer around sides of pan. Add beef to center of pan.