Cook rice according to package directions. Meanwhile, heat skillet to medium-high heat and melt 1/2 tablespoon butter in skillet. Add diced onion and garlic and stir frequently until translucent. Add peas, carrots and corn then stir and allow to cook. Once vegetables are done, combine with rice. Melt a little butter in the skillet over low heat. Crack egg in pan and fry each side for a few minutes, flipping once. Once done, dice up egg and combine with vegetable rice. In a small bowl, whisk together soy sauce, vegetable oil, sesame oil and chili sauce and stir into the vegetable fried rice. Combine well and serve.