Cook the orzo according to package instructions. Drain and set aside.
Grill the chicken until cooked through, then slice it.
In a large bowl, combine the orzo, grilled chicken, avocado, cherry tomatoes, feta cheese, red onion, and cilantro or parsley.
In a small bowl, whisk together the dressing ingredients: olive oil, red wine vinegar, lemon juice, Dijon mustard, honey or maple syrup, minced garlic, salt, and pepper.
Pour the dressing over the salad and toss gently to combine. Serve immediately.
Notes
You can add other vegetables or proteins as desired. Adjust seasoning to taste.