Place all the dressing ingredients in a small food processor. Process until you have a smooth and creamy consistency. Store dressing in a sealed jar or container until ready to use.
In a small bowl and the chicken breast and two tablespoons of the honey mustard dressing. Heat a small skillet on medium high heat and add a small amount of cooking oil. Place the chicken on the skillet and cook 4-5 minutes on each side or until the chicken is full cooked through. Once cooked, remove from pan and set aside to rest.
Rinse and dry lettuce. Place lettuce in a large bowl with grape tomatoes, raw red onion, shredded mozzarella, avocado, and corn. Drizzle with desired amount of dressing and enjoy!