Whisk eggs, milk, and 3 Onion Dip Mix until frothy, then pour into a lightly oiled Omelet Maker.
Close lid and microwave on high for 2–3 minutes.
Loosen omelet with a spatula, cut in half, and place onto English muffin halves with ham, tomato, and a dollop of Chipotle Aioli. Top with other halves of English muffin and serve.