Best time to visit ooty is in between april to june and October and November but i made a trip to ooty in February and it was great and less crowded for more information checkout my travel story of ooty
At current I suggest to hold your horses, as due to corona lock down.Even after the lock down gets over wait for 2-3 months for everything to get normal as it might be expensive.There are chances of get low quality at high price in food hotel and traveling. hence I suggest visit a local place for time being and wait for right time, don't worry for about season being good during your visit as there climate is pleasant through the year.