1In small bowl, beat all dressing ingredients with wire whisk until blended. Cover; refrigerate while preparing salad.
2On 1 large platter or 2 medium platters, arrange cheese, tomatoes, chicken strips, corn and jicama in rows, leaving room at end for row of avocados.
3Just before serving, remove pits from avocados, peel and chop. In small bowl, mix avocados and lime juice; toss to coat. Arrange avocados on platter. Serve dressing on the side.