In a large bowl, combine mayonnaise, sour cream, milk and a package of taco seasoning. Whisk together until smooth and set aside.

Either using a grill pan (medium heat) or on the grill, place four whole pieces of corn on cob on unit. Char the corn for about 8 minutes or until you see a good amount of black spots on corn. See picture above for help. When done, remove corn and allow to cool. Once cooled, using a knife, remove the corn from the cob and place in bowl with dressing.

Cube avocado and red bell pepper into small bites and add to dressing.

Thinly slice green onions and shred the chicken and add to dressing. Juice one whole lime.

Using a spoon, mix together all ingredients together and refrigerate for about 1 hour.

Place lettuce of choice on the bottom and top with chicken, avocado and grilled corn dressing and serve with cheese or as is.