I agree with @BigMama1, Sheilah. I think your leg is fine but it is always a work in progress to sit a little more up to the pommel and let the leg drape, which takes quite a bit of flexibility in the hip and all the muscles surrounding that. If you’re able, what I like to do in warmup is do a free walk with the stirrups dropped, and really feel the seat bones and make sure they’re in the “pocket” of the saddle’s seat, and think a bit of kneeling in the saddle, so the knee caps are pointed more towards the ground. If my hips are tight, I’ll alternate bringing one thigh back and then the other, letting the movement of the horse’s walk soften up my tight parts. Once the hips are loosened up, the leg can drape more; however, the more your seat bones are “plugged in” to that sweet spot in the seat, with a draped, straighter leg below, the more the core needs to be engaged to keep the integrity of the whole seat (by which I mean everything from the knee up to the rib cage).