Charging the old battery might have brought it back enough to test good.
But if I were you, I'd test for a current drain. I'd put the new battery in the bike.
1. Hook up both battery terminals and start the bike.
2. With the bike running, activate all your lights and accessories momentarily... brake light, high/low beam, turn signals, everything. Then make sure everything is turned off.
3. Shut the bike off and disconnect the negative battery terminal.
4. Using a simple test light, touch one lead to the negative battery post and the other to the cable clamp.
If the bulb lights up then you have a current drain.
A current drain could be any closed circuit anywhere on the bike that is causing the battery to drain even when the key is off and nothing is turned on. If you have one, then you'll have to test every electrical component and wire on the bike till you find it.
If you don't, then just install the new battery and don't worry about it, it's probably fine and it was the old battery all along.
Don't get frustrated, Stormi! Ya gotta learn to enjoy this kinda stuff!
Think of it as a challenge... matching your wits against the gremlins.... a mechanical chess game. Remember, every time you fix a problem like this you learn something valuable. Next thing you know, you'll be the one giving the answers on the board instead of asking the questions!