3:2 pulldown is something completely different than what you're trying to use it for.

3:2 pulldown is applied to progressive 23.976 (or 24) frames per second material in order to bring it to interlaced 29.97 frames per second. The reason it's called 3:2 pulldown is because of the cadence that this results in - frame 1 becomes 2 fields, frame 2 becomes 3 fields, frame 3 becomes 2 fields, frame 4 becomes 3 fields, and so on - 2:3:2:3. (The term is technically supposed to be 2:3 pulldown, but that and 3:2 are sort of used interchangeably.)

What you need to do is set an anamorphic flag. I don't know how you'd do this in the programs you're using, though, so someone else is gonna have to help you there.

Also, I'm not 100% sure if you do need to apply the 2:3 pulldown now, or not. That whole business confuses me, since DVDs display with 2:3 pulldown on 480i/1080i TVs, but they can display without it on 480p/720p/1080p TVs. So I'm not sure if you can encode without the 2:3 pulldown and let the player do it itself, or if you need to encode with it from the start.