I wouldn't grind it until you are ready to use it that way, either. It tends to lose some of it's benefits if not used relatively quickly. Also, IF you are on any medications, it might pay to check with your Dr or Pharmacist to see if Flaxseed is compatible with them.
Below is a link to WebMD which you may find really helpful: www.webmd.com/diet/features/benefits-of-fl
If you go to Page 4 of that link you will find a really yummy sounding recipe :-)