Yes, DYSLECTIC is a Scrabble word!

Letter values in Scrabble US: D 2, Y 4, S 1, L 1, E 1, C 3, T 1, I 1, C 3.

Is it a valid word?

DYSLECTIC is a valid word in the official Scrabble dictionary (US) and the UK Scrabble Dictionary, but not in Words with Friends (ENABLE).

having impaired ability to comprehend written words usually associated with a neurologic disorder