What are my options to correct scars from previous accidents and stitches in my chin area? (photos)

So when I was younger, I got cut with a knife under my chin, and I had to get stitches, and I believe me messing with it could've made it even worse because after that, it was uneven to me, and it but then shortly after getting my stitches out, I fell on my face on cement and I don't know if some of the rocks were left in there but when I squeeze it or put pressure I can like feel it and I don't know if that's from getting the stitches, but I am very insecure about it and I want it better