Basically do what you feel like. Either case it's hazy at best. But remember, every action doesn't have to be a DHV.
If you want to dance follow them, then DHV on the dance floor. If not say you want to chat to some more folk first & you might give them a dance later if they're lucky
Just keep it chill & you can't go wrong.
In terms of technical step by step game though, the second jumped through your hoop for the hug, so rewarding her with a dance is certainly not out of the question.
Also she was so into you
Take it easy,
Wolfus.