In a small bowl, whisk together dressing ingredients until completely combined and smooth. Add water (a teaspoon at a time) until the dressing reaches desired consistency. Set aside or refrigerate until ready to serve.
Place lettuce in the bottom of a bowl. Top with tomatoes, onions, cucumber, peas, almonds, raisins, and chicken.
Pour dressing over top and serve.
Notes
Cooking Just for Two? This is a great recipe to divide in half for 2 servings.