Dice the chicken breast into small pieces.
Finely chop the kimchi and onion.
Heat cooking oil in a pan and stir-fry the chicken breast.
Once the chicken is cooked, add the kimchi and onion and stir-fry together.
Add the rice and mix everything well while stir-frying.
Season with soy sauce and pepper.
Add the green onion and stir-fry one more time to finish.