Drink driving is not a crime of 'Moral Turpitude', and hence you can tick no, and quite legitimately seek to enter the US under the Visa Waiver Programme. See the link to the US Foreign Affairs Manual (Visas), in the top post of this thread.
http://www.theanswerbank.co.uk/Travel/Question 308789.html
'Getting away with it' and being 'found out' do not apply, when you have filled in the I94-W perfectly correctly.
Too many people are scared into applying for a visa for the US, when they do not need one.
Good luck!