isn't he OP the guy who said one shouldn't give advice without being able to demonstrate it (in relation to the single handed backhand thread)?
I believe "put up or shut up"... was how you had phrased it.
But to address the topic of this thread. yes, you should hit through the ball, with lost of volume through contact and have a full follow through.
Disclaimer: I'm NOT a coach...
Real tennis: https://www.youtube.com/watch?v=yDqnkLJ9BtM