Rinse quinoa in a fine sieve under cold water. Place quinoa, water and lime juice in an Instant Pot with valve sealed and set for 1 minute. When finished, press stop and let it sit for 10 minutes. Open valve and lid and fluff quinoa. (Alternately, cook quinoa on the stovetop according to package directions, adding in the juice of ½ lime.)
While the quinoa is cooking, whisk together the dijon mustard, maple syrup, balsamic vinegar and ⅛ teaspoon salt and set aside.
Heat the oil in a large nonstick skillet over medium heat. Sauté the red onion slices, stirring occasionally, for about 3 to 4 minutes or until starting to soften.
Add the garlic, zucchini, ½ teaspoon salt and ⅛ teaspoon pepper (or to taste) and sauté 2 minutes until starting to soften, stirring occasionally.
Add the green peas, swiss chard and dressing. Stir and heat through for another 2 minutes.
Plate the quinoa with the vegetable mixture on top...or just mix it all together. Serve immediately.