Although the whole market is red, I'm very much afraid of holding ETH now. In my opinion, ETH was fluctuated to its ATH when people were more interested investing in ICO. Nowadays ICO is almost dead. That is why it has less demand. I don't think it will get another ATH soon.
What's your thoughts on it? Should I hold now?
You should definitely hold now. Now that ETH is down you will only be locking in your losses by selling.
The wiser move would be to hold or even buy more so that you can profit in the up and coming bull run. Don't forget why you bought ETH in the first place, it is a great investment because of the superior technology and mass adoption rates.