In a large bowl, whisk together the mayonnaise, sour cream, mustard, milk, horseradish, sugar, celery seed, hot sauce and some salt and pepper. Taste and adjust the seasoning.
In a separate large bowl, add the carrots, apples, jicama, onions and cabbage. Add half the dressing and toss to coat. Add more dressing if needed. Garnish with cilantro and serve.