ok veteran I did my research and you’re right
I looked in Eeshei HaTanach on a bunch of people it quotes sofrim 21-9 that says dinah was 6
seichel tov says she was 8.5
and Midrash Lekach Tov says Tzipporah was a young lady b/c the passuk doesn’t say V’Tahar b/c she didn’t look pregnant