New to brewing, hard cider putting off sulfuric smell. So I started brewing on Sunday. I purchased everything I needed for brewing from my local brewing shop. Then picked up a gallon of Trader Joe's spiced cider (preservative free of course) and proceeded home. I then meticulously sanitized everything used for my brew with Star San. 

What I used- 
1 gallon glass jug
Rubber stopper
S-shaped airlock
1 gallon Trader Joe's spiced cider
Exactly 3.55 ounces brown sugar
(brought cider with sugar to a boil, let cool to 75 degrees F)
Now for the yeast, call me crazy (no seriously) but I used a WLP099 High Gravity yeast.

Does this sulfuric smell mean something bad or is it normal with a high gravity yeast? Also, I read somewhere I need to aerate, should I do this? If so, how the hell do I do it?