Steps
1. Cook the pasta according to package instructions.
2. Heat the olive oil in a small pan over medium heat.
3. Add the onion and cook until it begins to soften, about 5 minutes.
4. Add the diced chicken and sauté together until both are cooked through.
5. Pour in the milk and reduce the heat to low. Stir in the cheese until fully melted.
6. Add the cooked pasta to the pan, stir everything together until the sauce coats the pasta.
7. Serve immediately and enjoy.