Once the opening raiser checks the flop, you should be leading out around 90 cents to build a pot. Checking is the most ev- line.

I think I'm raising the turn hoping they have a weak Ax or draw, their sizing is way too small to win any sizeable pot at the end. River bet should have been bigger, around $1.80 looks good.

Multiway just lead the flop with so many draws. Nobody is folding an ace there and you get to control the bet size. People will also love to put you on a draw and so will be more inclined to overplay weaker holdings.

As played I prefer raising the turn hoping villain thinks you're bluffing a scare card. They'll call with Ax a lot which gives you almost as much value as the line you took before we factor in any river profit.

Yeah, once the initial raiser decides to check the flop you really should be leading on this board. As played your hand is underrepresented so raising the turn becomes an attractive option. If you just call it's going to be super hard to win a lot of money on the river.

I take actions depending on the flop structure. If the flop is rainbow - it is better to check the flop, since you're very strong.