Thanks for your replies.
The reason I want her to sit in her chair or any chair is so that walking around or watching TV while eating doesn't become a habit.
I tried her table & chair in her room but she was too distracted to sit so ended up playing & eating at the same time. I'll keep trying.
How do you know what your lo wants to eat?
My dd's lunch & dinner diet is quite limited: rice with steam fish/chicken/egg, soup with vegie/mince meat/tofu, fish sticks, chips, 2min noodles & any kind of chicken. She loves chicken. She doesn't like pasta or anything tomato based or too cheesy. All this means its hard to come up with finger food of something she likes.
Any ideas?
I'm not too worried about her finishing everything on her plate, that seldom happens. Its just the reducing amount, but she's not waking up hungry & seems happy, so I'll have to keep reminding myself that its ok.
I'll look into the booster seats. She tried it once & just kept climbing out of it, maybe there's one with a seat belt.