Does my LED need more red spectrum for flowerin?

Yes it makes sense to help out. Spectrum is important, and closer to 3000K would be optimal. But the more I’ve learned about lighting from Bruce Bugbee, the more I place importance on photon flux - essentially the “strength “ of your light. If I had to pick (for example) a light capable of 1000 umols/sec/m2 at around 4000K Vs A light capable of only 500 umols/sec/m2 at around 3000K I would certainly choose the first. Anyhow.. yes the red should help to some extent. Certainly can’t hurt it. Plants look good, and it’s your first grow so I’d just see what you can do with the set up you got during this grow, then adjust if necessary