GARLIC BUTTER SHRIMP AND QUINOA

-> Ingredients:
1 tbs olive oil
½ cup finely chopped onion
5 tsp minced garlic, divided
2 cups uncooked quinoa
1 tsp chili powder, divided
4 cups vegetable or chicken broth
6 tbs salted butter, divided
1 pound raw tail-on shrimp
salt and pepper to taste
fresh parsley for serving
fresh lemon juice