I think I’m losing her and it’s draining me. What should I do?

So, I’ve been talking to this girl for the past four months. We used to text every single day, and she was always very expressive with me. Last month, we even went out to watch a movie together. She shared a lot about her life, and for a while it genuinely felt like we were building a real connection.

But over the last few days, something has changed. She hasn’t texted me first even once. When I finally put my ego aside and message her, she replies instantly, but she never asks questions back. It feels like I’m the only one holding this bond together.

The thing is… I have a crush on her. I don’t know if she realized it before, but about two weeks ago we were talking about caste, marriage, and future plans. I don’t know what got into me, I asked her questions that clearly sounded like I was interested in her. And she suddenly said, "If you have hopes on me, then please remove it, I myself don't know about my future"

Even before that conversation, she would text me on her own, even when I didn’t. But after that day, everything changed. The dynamic feels completely lopsided now.

I’m in my 4th year of college and she’s in her 3rd. I honestly don’t know what to do anymore. It’s mentally draining all my energy thinking about this.

Should I tell her that I actually have feelings for her?
Or should I just let things be and slowly move on?