Cut chicken breast and kimchi into bite-sized pieces.
Finely chop the onion.
Heat cooking oil in a pan and stir-fry the chicken breast.
When the chicken breast is cooked, add kimchi and onion and stir-fry together.
When the kimchi turns translucent, add rice and mix well while stir-frying.
Season with soy sauce, gochujang, sesame oil, etc.
Serve the finished fried rice in a bowl.