Closing contained by crawl space to a house on blocks? I have a house on blocks , it is exposed all the...

I have a house on blocks , it is exposed all the mode around, do you have any ideas on how to close it surrounded by, without putting up under pinning, it have block pillars about 45 in. apart adjectives the way around it, flush to the exterior walls, would it be ok to pour short footers between the block pillars , and set additional block on the current footers