Yes, quid is a Scrabble word!
...and is worth 14 points in Scrabble, and 15 points in Words with Friends
quid
Noun
1. The basic unit of money in Great Britain and Northern Ireland; equal to 100 pence
2. Something for something; that which a party receives (or is promised) in return for something he does or gives or promises
3. A wad of something chewable as tobacco
What Scrabble words can I make with the letters in quid?
3 Letter Words
2 Letter Words