abirdcall
(she/her)
Con should be 2nd.Just in a nutshell, DEX highest, CHA 2nd, CON 3rd. Use 2 shortswords (or scimitars).
If using Variant Human, Lucky as Lv. 1 feat, +1s in DEX and CHA. Otherwise Half-Elf is really good (+2 CHA, +1 DEX, +1 CON).
There are a lot of viable races.
Max DEX at 20, then work on CHA (to improve Panache). Expertise in the Persuasion skill (again for Panache). If no one else in your party has Inspiring Leader, take that feat since it's an awesome personal AND party buff of temp HPs every short rest.
Inspiring Leader has diminishing returns as levels increase. It's not worth taking after 8th level.
Panache is also not that great. It's not worth spending an action in combat most of the time to maybe have a small effect on a creature. At 9th level out of combat there are probably much more powerful charms available. Don't get me wrong, it's on okay fun extra ability to have (mostly because it's nice to have a non-magical charm) but it's not powerful (if that is the goal).