Cut the chicken breast into bite-sized pieces.
Finely chop the kimchi and onion.
Heat cooking oil in a pan and stir-fry the chicken breast.
When the chicken breast is cooked, add the kimchi and onion, and stir-fry together.
Add rice and stir-fry, mixing evenly.
Season with soy sauce and black pepper to taste.
Serve the fried rice in a bowl.