Foggy City Chicken Salad

Name: Foggy City Chicken Salad
Ingredients: Roasted, shredded chicken from 2 breasts (ingredients and instructions below); 2 cups of brown rice or quinoa, prepared; ½ red onion, sliced paper-thin; 2 tblsp red wine vinegar; 4 tblsp lukewarm water; 2.5 tblsp extra virgin olive oil (or mayo if you wish); 1 tblsp toasted sesame oil; 1 tblsp whole grain mustard; 2 tbslp dijon mustard; ⅛ tsp chayenne pepper; 2 tsp celery seed; 3 tblsp meyer lemon Juice freshly squeezed; ⅓ cup cilantro finely chopped; 2 large handfuls of arugula; 2 large handfuls baby spring mixed greens; ½ cup of walnuts, toasted and coarsely chopped or roasted pepitas, whole; optional: ½ - 1 avocado, cut into small cubes; salt and pepper, to taste