Honestly, it isn't our favorite of the big river locations, but we usually stop in for a beer or two if we are in the nieghborhood - and it is a good neighborhood to be in, isn't it?. It isn't a bad place to have a beer and a burger, but keep it simple on the food, imho. As for the beer, you have to remember it is disney world, and they aren't going to go too far out on a limb, they keep it pretty accessible, pilsners and lagers rule disney world and this big river doesn't break that rule. Usually in the spring they add a reasonable wheat beer that is worth the stop. Don't go in expecting an IPA or a porter or stout or barley wine, etc., expect Florida easy access, light and approachable. It is worth a stop, imho. I honestly think that the beer has gotten better over the last five years or so. YMMV of course.
Another good beer stop is across crescent lake at the Yacht Club at the Crew's Cup. They have pretty much the widest selection of bottles on property. You can make a pretty good circuit out of it, big river, and rose and crown. Throw in the rest of the countries and the sushi bar in the swan and you have a weekend's worth.