If I hold to 7 and then charm a recruit into a Draven Audacious, would I gain a point to 8?

There is no card named "Charm" or any card with an effect that "charms" a unit in Riftbound. Please verify the card name or provide the exact card text you are referring to.

Additionally, please clarify what you mean by "hold to 7." In Riftbound, "Hold" is a specific game action that scores a point at a battlefield you control. If you are at 7 points and perform a "Hold" action, you would reach 8 points (the winning point), provided you meet the requirements for scoring the final point.