Raw onion is one of my favorite things to throw in a dish. It has close ties to garlic which is another favorite of mine aswell. 
Onion is good for the heart too. Not the smell though!
I have a korean dish composed of rice and veggies that I always use onion with. 
I don't know if Chinese meals also have onion. My favorite dishes is Greek.
My mom was born in Israel and she always makes cuisine from there. She throws in greek foods because my dad loves them. 
You should try 'feta' cheece in dishes. It gives a very unique flavor.
Feta
Feta (Greek Φέτα, "féta", "slice") is a brined curd white cheese made in Greece from sheep's milk or from a mixture of sheep and goat's milk. It is a crumbly aged cheese, commonly produced in blocks, and has a slightly grainy texture. Feta is used as a table cheese, as well as in salads (e.g. the Greek salad) and pastries. Most notable is its use in the popular phyllo-based dishes spanakopita ("spinach pie") and
from the time when Spaniards were attempting to make their beloved dish "paella" in the new world. The dish has later evolved, going through a creolization of Louisiana influences. Jambalaya is a highly seasoned rice casserole.
Shrimp Creole - Shrimp Creole is a favorite of Creole cuisine in the greater New Orleans area. It's a dish made of shrimp, tomatoes, onion, bell pepper, celery, garlic and cayenne pepper. Classic shrimp creole does not contain a roux, but some cooks may add one. It