I'm biased but I voted for Kellogg.
I assume you have already decided against McCombs since it was not listed in the topic title. It’s a great school and Austin is a wonderful city, but unless money comes into play or Austin’s music scene really interests you I would not place it on the short list.
I would also leave out LBS since your goal is to eventually work in the U.S. and you have acceptances from two top-notch American schools.
It comes down to Kellogg and Tuck (with your track record I think you have an excellent shot at getting in). Both have excellent reputations with an almost negligible edge to Kellogg. They both also boast strong placement into consulting. I think Kellogg, being a larger school, will be better if you’re not sure of your post-mba goals. You will find students interested in just about everything. But in the end, it comes down to fit. Get a feel for both schools and decide where you’re more comfortable spending two years. I feel this is especially true when talking about Chicago vs. Hanover.
Good luck and I hope to see you at Kellogg next fall!