Yes, HOOKERS is a Scrabble word!

Letter values in Scrabble US: H 4, O 1, O 1, K 5, E 1, R 1, S 1.

Is it a valid word?

HOOKERS is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

United States general in the Union Army who was defeated at Chancellorsville by Robert E. Lee (1814-1879)
English theologian (1554-1600)
a prostitute who attracts customers by walking the streets
a golfer whose shots typically curve left (for right-handed golfers)
(rugby) the player in the middle of the front row of the scrum who tries to capture the ball with the foot

Also: joseph hooker, fighting joe hooker, richard hooker, street girl.