Sawgrass is a decent suggestion if you have a little kid with you. Lots of crap around there. Hardrock with a toddler might not be as good. In the same vein as Hardrock, is Gulfstream park. That's a bit further south than Hardrock.
Gulfstream Park | South Floridas Premier Thoroughbred Horse Track and CasinoTons of restaurants and bars in the somewhat "recent" addition to the racetrack.
Downtown Hollywood(since it seems you're staying there?) has a lot of cool places to eat/drink as well, in the area of Young Circle.