Feeding advice for yellow rat

[poomwah]

Hi guys/gals,
was hoping to get some advice on gettiing my yellow rat to eat.
It's 17 months old but has been fed only pinkies its whole life. It's only 29 grams. I've had it two weeks today.
I left it alone for a week before offering food, it ignored it. Left it alone for another 5 days except for taking it out for a picture. Offered food again, no interest.
I'm being hammered on another forum that its because my setup is wrong.
I have her in an aquarium, with several secure hides. They say she won't eat because the enclosure is too big and that I'm overstressing her by offering food too often. Even someone on this forum has accused me of mauling the snake. Umm. ok. I've given up on that forum because if someone gives me advice, like scenting for instance, someone will jump in there and say NO, its the set up that's the problem, if he fixes the setup it WILL eat.
They want me to put her in a smaller enclosure then wait another week.
I don't like that idea since I've already had the snake 2 weeks, its insanely small for its age, and I don't like the idea of it going any longer than it has to.
So, we've already established on this forum that the enclosure size is irrelevant.
Here's what I've done, on two different occasions. Offer ft pinkie by dangling from tongs. Didn't seem to care. Briefly heated the pink by dipping it in a jar of hot water. No difference. the, deli cup overnight in a dark quiet room.
Both times she refused to eat, in the morning she was curled up inside the lid of the cup.
I'm NOT moving her into another enclosure because I honestly don't believe that has anything to do with it. She's not showing any signs of stress, just lack of interest.
What would you guys do next and how long would you wait to do it?