Creamy Skillet Bacon Cheeseburger Dip

olive oil

yellow onion, diced

ground beef ((I used 80/20))

slices bacon

cream cheese, softened

shredded Monterey Jack cheese

shredded cheddar cheese

Worcestershire sauce

garlic powder

kosher salt and black pepper,

diced dill pickles, for garnish

minced fresh parsley, for garnish ((optional))