None of these three are my favorite WDW TS restaurant, but of the 3 you listed the one we go to the most is LTT. It is typically a must do on our trips. I wouldn't say I walk out talking about how absolutely amazing the food was or anything, but it's fun to be able to have a Thanksgiving meal at any time during the year without having to cook it myself and clean up afterward! Just be prepared that it is a LOT of food. I typically don't eat breakfast and just have a small snack in the early afternoon the day we eat there and, just like on Thanksgiving it is difficult to pace yourself so you don't feel like you are going to burst when you are done. We also do GG quite a bit however, they took my catfish off the menu and it was my favorite park of the meal. It has very good character interaction - I never feel like the characters are rushed there is the way they are at Chef Mickey's of Crystal Palace. We haven't done Tusker House.