Some more details are needed here. But as far as above description is concerned, it looks more like acid reflux. Please start some lifestyle measures. Timely food, 2 hrs gap between dinner and sleep, avoiding oily spicy and caffeine rich food.
Next Steps
Kindly consult, as medicines can be started after a bit more detailed discussion.
Health Tips
Do not poke your finger in the throat, what you feel may be the normal structures only.